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  • 1
    Electronic Resource
    Electronic Resource
    Synthesis and Characterization of K3Mo14O22, K1.66Pb1.34Mo14O22, and K1.29Sn1.71Mo14O22: Oligomeric Clusters with Three Trans Edge-Shared Mo Octahedra (1995)
    s.l. : American Chemical Society
    Inorganic chemistry 34 (1995), S. 6130-6140 
    Details
    ISSN: 1520-510X
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ic00128a026
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  • 2
    Electronic Resource
    Electronic Resource
    Extracellular products from Mycobacterium spp. in fish (1997)
    Oxford BSL : Blackwell Science Ltd
    Journal of fish diseases 20 (1997), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: Mycobacterium spp. isolated from food and ornamental fish in Thailand (TB1, TB40, TB267 and TB268), and the type strains Mycobacterium marinum (NCIMB 1298), M. fortuitum (NCIMB 1294) and M. chelonae (NCIMB 1474) were cultured in Long’s medium, Eagle’s minimum essential medium, Sauton’s medium and modified Sauton’s medium. The latter enabled excellent growth and production of extracellular products (ECP) from TB 40, TB267, TB268 and M. marinum NCIMB 1298 in particular, whereas growth and production of ECP for all strains was limited in Long’s medium. SDS-PAGE protein profiles of ECPs from 14-day culture supernatants showed major bands at 65 and 〈14 kDa. After 2 days culture at the higher temperature of 37°C (heat shock), the production of ECP from all mycobacteria strains except M. marinum averaged approximately four- to 10-fold higher than from strains cultured for 14 days at 28°C. Enzyme testing for the type strains indicated only mucinase activity for M. marinum, while lipase and RNase activities were detected for M. chelonae and M. fortuitum. Protease and DNase activities could not be detected for any of the Mycobacterium spp. tested. The medium lethal dose (LD50) of ECP to rainbow trout and Nile tilapia was greater than 400 μg protein fish–1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2761.1997.d01-102.x
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  • 3
    Electronic Resource
    Electronic Resource
    A comparison of the antigenicity of the extracellular products and whole-cell sonicates from Mycobacterium spp. in rabbits, mice and fish by immunoblotting and enzyme-linked immunosorbent assay (1997)
    Oxford, UK : Blackwell Science Ltd
    Journal of fish diseases 20 (1997), S. 0 
    Details
    ISSN: 1365-2761
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Medicine
    Notes: The antigenicity of extracellular products (ECPs) derived from Mycobacterium spp. isolated from snakehead, Channa striata (Bloch), and Siamese fighting fish, Betta splendens (Regan), were examined by immunoblotting and enzyme-linked immunosorbent assay (ELISA) using sera collected from immunized rabbits, mice and fish (rainbow trout). All three species responded to a 65-kDa protein present in both the ECPs and whole cell sonicates (WCSs) from a variety of Mycobacterium spp. Cross-reactivity of anti-M. tuberculosis and anti-human heat-shock protein monoclonal antibodies (MAbs), and the presence of fibronectin binding proteins secreted into ECPs of mycobacteria were also examined. The MAbs against human 60-kDa heat-shock protein cross- reacted with the band at 65 kDa in the ECPs of TB1 (isolated from snakehead fish) and the type strain M. marinum, while the anti-M. tuberculosis MAb F29–47 elicited a strong reaction with a band at 21 kDa with most of the ECPs from mycobacterial strains examined. The major fibronectin-binding proteins were located between 21 and 25 kDa. The 65-kDa protein from ECPs of Mycobacterium spp. proved strongly immunogenic to rabbits, mice and fish. Rabbit antiserum against the 65-kDa protein from strain TB267 reacted with many non-Mycobacterium WCSs, and therefore, the 65-kDa protein from Mycobacterium spp. is believed to be a common protein found in many fish bacterial pathogens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2761.1997.00322.x
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  • 4
    Electronic Resource
    Electronic Resource
    Parallel Poisson and Biharmonic solvers (1976)
    Springer
    Computing 17 (1976), S. 219-230 
    Details
    ISSN: 1436-5057
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Description / Table of Contents: Zusammenfassung In diesem Artikel entwickeln wir direkte und iterative Algorithmen für die Lösung von Differenzen-Approximationen der Poisson und Biharmonischen Gleichungen über einem Quadrat, wobei eine Anzahl paralleler Arithmetikeinheiten verwendet wird. Unter der Annahme eines [n, n] Netzes zeigen wir, daß direkte Algorithmen für die Poisson bzw. Biharmonischen Gleichungen 0(logn) bzw. 0(n) Schritte benötigen. Der entsprechende Gewinn über die sequentiellen Algorithmen beträgt 0(n 2) bzw. 0(n 2logn). Wir vergleichen außerdem die Effizienz dieser direkten Algorithmen mit parallelen SOR und ADI Algorithmen für die Poisson Gleichung, und mit einer parallelen halb-direkten Methode für die Behandlung der Biharmonischen Gleichung als eines gekoppelten Paares von Poisson Gleichungen.
    Notes: Abstract In this paper we develop direct and iterative algorithms for the solution of finite difference approximations of the Poisson and Biharmonic equations on a square, using a number of arithmetic units in parallel. Assuming ann×n grid of mesh points, we show that direct algorithms for the Poisson and Biharmonic equations require 0(logn) and 0(n) time steps, respectively. The corresponding speedup over the sequential algorithms are 0(n 2) and 0(n 2logn). We also compare the efficiency of these direct algorithms with parallel SOR and ADI algorithms for the Poisson equation, and a parallel semi-direct method for the Biharmonic equation treated as a coupled pair of Poisson equations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02259647
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  • 5
    Electronic Resource
    Electronic Resource
    Identification and purification of a spinach chloroplast DNA-binding protein that interacts specifically with the plastid psaA-psaB-rps14 promoter region (1997)
    Springer
    Planta 203 (1997), S. 373-380 
    Details
    ISSN: 1432-2048
    Keywords: Key words: Chloroplast ; DNA-binding protein (puri fication) ; Operon ( psaA) ; Spinacia (chloroplast) ; Trans-acting factor ; Transcription
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract. We have previously shown the presence in chloroplasts of sequence-specific DNA-binding proteins that interact specifically with two regions located downstream and upstream from the 5′-transcription start site of the plastid psaA-psaB-rps14 operon. As part of an effort to elucidate the regulatory mechanism of plastid transcription during plant development, we report here the purification and characterization of the chloroplast DNA-binding protein from spinach (Spinacia oleracea L. var. spinosa Ashers et Graeden) leaves that specifically recognizes sequences between positions +64 to +83 relative to the transcription start site. This DNA-binding protein has been highly purified from chloroplasts by using a combination of high-salt extraction, ammonium sulfate precipitation, heparin-agarose chromatography, and sequence-specific DNA-affinity chromatography. The protein exhibited an apparent molecular weight of 59–60 kDa on the basis of gel filtration. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis followed by Southwestern blot analysis further indicated that this DNA-binding protein is dimeric and composed of two ≈31-kDa subunits. We discuss the properties of this protein in relation to the known chloroplast DNA-binding factors for plastid gene expression.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004250050203
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  • 6
    Electronic Resource
    Electronic Resource
    Closure on Free Surface Transport in Response to Nield's Note (1998)
    Springer
    Transport in porous media 32 (1998), S. 237-237 
    Details
    ISSN: 1573-1634
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006577116846
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  • 7
    Electronic Resource
    Electronic Resource
    Experimental investigation of the polymer melt flow during injection post-filling process (1995)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 41 (1995), S. 2661-2663 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690411217
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  • 8
    Electronic Resource
    Electronic Resource
    Study of polymer melt flow in sequential injection molding process (1996)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 42 (1996), S. 1706-1714 
    Details
    ISSN: 0001-1541
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Experimental studies of polymer melt flow in the filling and post-filling stages of the injection molding process were performed using the sequential injection of transparent and colored polystyrene resin. Effects of fountain flow in the filling stage, geometrical factors caused by edges and corners, as well as flow through contractions and expansions, were identified. Significant polymer melt flow which increases with increased packing pressure was observed in the post-filling process. The melt flow is more concentrated around the gate area than away from the gate. It was also found that the polymer melt flows across the gap center, resulting in partial annihilation of the weld line. Simulations based on the control-volume/finite-element method employed within each gapwise layer combined with the dual-filling-parameter technique were developed to trace the advancements in melt fronts for both skin and core materials. Numerical simulations show reasonable consistency with experimental results in both skin and core material distribution. If the edge effect is taken into account using a shape factor as a geometrical correction, the simulation accuracy is further improved.
    Additional Material: 15 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/aic.690420622
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  • 9
    Electronic Resource
    Electronic Resource
    Analysis and experimental study of gas penetration in a gas-assisted injection-molded spiral tube (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 58 (1995), S. 793-799 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Characteristics of gas penetration and polymer melt flow in gas-assisted injection molded spiral tubes was investigated by simulations and experiments. Distribution of the skin melt thickness along the gas flow direction was measured, and gas penetration in the primary and secondary stages was identified. An algorithm based on the control-volume/tiniteelement method combined with a particle-tracing scheme using a dual-filling-parameter technique is utilized to predict the advancements of both melt front and gas from during the molding process. The simulated distribution of gas penetration shows reasonably good coincidence with experimental observations. © 1995 John Wiley & Sons, Inc.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1995.070580412
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  • 10
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    Anatomical and transcriptional dynamics of maize embryonic leaves during seed germination (2013)
    National Academy of Sciences
    Details
    Publication Date: 2013-02-19
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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